I have 14.04 installed on a 1T HB, that is at 90% capacity. I've ordered 120G SSD and a 3T HD, that I want to migrate to. Wondering in what order I should do so?

  1. install the SSD, and move the OS to it, then add the new HD, and move the remaining data to it.
  2. install the new HD, migrate everything to it, then install the SSD, and migrate to OS to it.
  3. some other option that I'm not seeing?
  • 1
    It rather depends on your current partioning arrangement & sizes. Are you able to provide that (output of df -h should do nicely)? Apr 17 '15 at 16:28
  • Filesystem Size Used Avail Use% Mounted on /dev/sda1 896G 763G 88G 90% / none 4.0K 0 4.0K 0% /sys/fs/cgroup udev 3.8G 4.0K 3.8G 1% /dev tmpfs 774M 1.6M 772M 1% /run none 5.0M 0 5.0M 0% /run/lock none 3.8G 23M 3.8G 1% /run/shm none 100M 80K 100M 1% /run/user encfs 896G 763G 88G 90% /home/rdlong/Dreams_aaa encfs is just a a small encrypted directory sorry about the format -
    – rdl
    Apr 20 '15 at 22:58

I would move the data to the HDD first, then the system to the SSD - that way you don't run out of space & can use recursive copy/move without duplicating.

The way I did this was to create a smallish partition - 15G IIRC - for boot & most of the smaller directories, around 20G for /usr, and the remainder of the SSD for /home (I tend to install lots of packages over the years!) using gparted, and create folders for 'Stuff' on the large HDD; along the lines of cd /path_to_3TBdrive ; mkdir Music Movies Documents... & then move out large files from my /home to the new HDD, finally copying the remainder of the system over using a live CD - you can then move the system folders while they're not mounted, re-write /etc/fstab to suit (the SSD copy of course!), put the [small enough] residue of your /home folder into the 3rd SSD partition, use grub to make the SSD boot & you're done.

There is sufficient info in askubuntu that I haven't re-written the detail on this part!


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